Quantum plasmonic control of extraordinary optical transmission

Active control of components in the photonic integrated circuits (PIC) is crucial in achieving programmable devices. The operational bandwidth of a photonic device cannot be generally tuned once it is manufactured, especially in the visible regime. In this thesis, all-optical and electro-optic control of extraordinary optical transmission (EOT) is demonstrated in the visible regime for scalable PIC. In the all-optical control, the dynamics of surface plasmon resonances (SPR), attributed to the phenomenon of EOT, are modified by tuning the spectral and temporal bandwidth of ultrafast pulse. Moreover, the lifetime extension of SPR is discussed through Fano resonances induced by quantum emitter (QE) in a plasmon cavity. In the electrical control, the operational bandwidth of the EOT device is tuned via a voltage-tunable QE that is embedded into the nanohole. In addition, at a given frequency, the EOT signal intensity is modulated continuously with a three-orders-of-magnitude modulation depth. The active tuning of the EOT device makes it a feasible and compact element in PIC, for biosensing, high-resolution imaging, and molecular spectroscopy applications.